496351797894991 has 4 divisors (see below), whose sum is σ = 496351842786184. Its totient is φ = 496351753003800.

The previous prime is 496351797894973. The next prime is 496351797895013. The reversal of 496351797894991 is 199498797153694.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 496351797894991 - 2¹⁵ = 496351797862223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 496351797894896 and 496351797894905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496351797894191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7127776 + ... + 32303386.

It is an arithmetic number, because the mean of its divisors is an integer number (124087960696546).

Almost surely, 2^{496351797894991} is an apocalyptic number.

496351797894991 is a deficient number, since it is larger than the sum of its proper divisors (44891193).

496351797894991 is a wasteful number, since it uses less digits than its factorization.

496351797894991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44891192.

The product of its digits is 33331979520, while the sum is 91.

The spelling of 496351797894991 in words is "four hundred ninety-six trillion, three hundred fifty-one billion, seven hundred ninety-seven million, eight hundred ninety-four thousand, nine hundred ninety-one".